Ingøya, Norway, 1900-2012 Arctica islandica d18O and shell growth data Mette, M.J.; Wanamaker, A.D.; Carroll, M.L.; Ambrose Jr., W.G.; Retelle, M.J. Mette, M.J. Wanamaker, A.D. Carroll, M.L. Ambrose Jr., W.G. Retelle, M.J. earth science/paleoclimate/paleoceanography (delta 18O,bivalve,null,per mil VPDB,null,paleoceanography,null,null,N,Arctica islandica) earth science/paleoclimate/paleoceanography (age,null,null,year Common Era,null,paleoceanography,null,null,N,cross-dated layer counting) earth science/paleoclimate/paleoceanography (growth rate,bivalve,null,dimensionless,null,paleoceanography,normalized,null,N,Arctica islandica master shell growth chronology) earth science/paleoclimate/paleocean (Ingøya, Finnmark, Norway>LATITUDE 71.061667>LONGITUDE 24.098333) The lack of high resolution, geographically diverse proxy records from the marine realm limits our understanding of climate dynamics in the North Atlantic Ocean and Arctic during recent centuries. We investigate the impact of large-scale climate variability on the marine bivalve, Arctica islandica, (Linnaeus 1767) from northern Norway (718N). We evaluate the use of annual shell growth and geochemical records as proxies for North Atlantic and Arctic climate variability over centennial scales by developing a continuous, 113-yr master shell growth chronology and an oxygen isotope record (d18O) from live caught shell material. A relatively strong inverse relationship is observed between both the shell growth and isotopic proxies and large-scale North Atlantic sea surface temperatures in modern times (r520.54 to 20.90; p<0.05). This relationship is strengthened when using a combined shell growth/oxygen isotope Multiproxy Index (r520.72 to 20.90; p <0.01). The regional spatial pattern of correlation resembles that of the North Atlantic Current as it bifurcates around 558N, indicating that large-scale ocean surface current dynamics play an important role in regulating local ecosystem processes and thus shell growth in northern Norway. A combined proxy index created using multiple linear regression exhibits a relatively strong and time-stable relationship with the Atlantic Multidecadal Oscillation (AMO; r520.622; p<0.001) since AD 1900. Variability in the relationship between the shell based records and the North Atlantic Oscillation coincide with variations in the AMO index, suggesting a complex relationship between atmospheric forcing on hydrographic variability and ecosystem dynamics in northern Norway. STUDY NOTES: Provided Keywords: oxygen isotopes, shell growth, Arctica islandica, d18O, Barents Sea, bivalve NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Mette, M.J. Investigator : Wanamaker, A.D. Investigator : Carroll, M.L. Investigator : Ambrose Jr., W.G. Investigator : Retelle, M.J. 2016-06-22 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/20286 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/mette2016/mette2016.txt https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/mette2016/mette2016.txt English https://www.ncdc.noaa.gov/paleo/study/20286 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/mette2016/mette2016.txt Mette, M.J., Wanamaker Jr., A.D., Carroll, M.L., Ambrose, W.G., and Retelle, M.J.2016Linking large-scale climate variability with Arctica islandica shell growth and geochemistry in northern NorwayLimnology and Oceanography61748-76410.1002/lno.10252 START YEAR: 2000 AD * END YEAR: 2012 AD 24.098333 71.061667 24.098333 71.061667